Galileo · history of science · Kepler · medieval history · Tycho Brahe · weight-driven clock

Prague’s Grand Old Astronomical Clock

In Prague this week. The ‘old city’ section is a treat for history of science buffs. We managed to get a perch in front of the medieval astronomical clock in the Square. This is the oldest operating clock in the world, and the third oldest overall, surviving from the fifteenth century. The clock strikes on… Continue reading Prague’s Grand Old Astronomical Clock